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Oracle 1Z0-042 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Database Installation and Configuration | - Creating and configuring databases - Oracle Net Services configuration basics - Installing Oracle Database 10g software |
| Topic 2: Database Security | - Authentication and authorization - Roles and privileges management |
| Topic 3: Backup and Recovery | - Flashback concepts (intro level) - Recovery Manager (RMAN) basics - User-managed backup and recovery |
| Topic 4: Database Management | - Managing storage structures - User and privilege management - Managing database instances |
| Topic 5: Oracle Database Architecture | - Database storage structures (datafiles, control files, redo logs) - Instance architecture (SGA, PGA, background processes) - Memory structures and process management |
Oracle database 10g:Administration I Sample Questions:
You have a large amount of historical data in an operating system file. Some analysts in your organization need to query this data. The file is too large to load into your current database. Which is the most effective method to accomplish the task?
- A. Load the data into your database by using the PARALLEL clause.
- B. Upgrade the hardware/memory to accommodate the data.
- C. Give analysts DBA privilege, so that they can query DBA_EXTERNAL_TABLES.
- D. Use an external table so you can have the metadata available in your database, but leave the data in the operating system files.
Correct Answer: D 🗳️
You find that the database performance degrades while you backup the PROD database using Recovery Manager (RMAN). The PROD database is running in shared server mode. The database instance is currently using 60% of total operating system memory. You suspect the shared pool fragmentation to be the reason. Which action would you consider to overcome the performance degradation?
- A. Increase Shared Pool size to cache more PL/SQL objects.
- B. Increase Database Buffer Cache size to increase cache hits.
- C. Configure Large Pool to be used by RMAN and shared server.
- D. Configure Java Pool to cache the java objects.
- E. Increase the total System Global Area (SGA) size to increase memory hits.
- F. Configure Streams Pool to enable parallel processing.
Correct Answer: C 🗳️
The application workload on your database is same between 10 a.m. and 11 a.m. on weekdays. Suddenly you observe poor performance between 10 a.m. and 11 a.m. in the middle of the week. How would you identify the changes in configuration settings, workload profile, and statistics to diagnose the possible causes of the performance degradation?
- A. by using the SQL access advisor
- B. by using the Automatic Workload Repository report
- C. by analyzing the output of the V$ACTIVE_SESSION_HISTORY view
- D. by using the Automatic Workload Repository Compare Period report
- E. by running the Automatic Database Diagnostic Monitor (ADDM)
Correct Answer: D 🗳️
Which two statements about bigfile tablespaces are true? (Choose two.)
- A. The database can have only one bigfile tablespace.
- B. The bigfile tablespace have only one data file.
- C. The extent management is dictionary managed.
- D. The bigfile tablespace can be converted to a smallfile tablespace.
- E. The segment space management is automatic.
Correct Answer: B,E 🗳️
The SAVE_AMT column in the ACCOUNTS table contains the balance details of customers in a bank. As part of the year-end tax and interest calculation process, all the rows in the table need to be accessed. The bank authorities want to track access to the rows containing balance amounts exceeding $200,000, and then send an alert message to the administrator. Which method would you suggest to the bank for achieving this task?
- A. implementing fine-grained auditing with audit condition and event handler
- B. implementing value-based auditing by using triggers
- C. performing standard database auditing to audit SQL statements with granularity level set to ACCESS
- D. performing standard database auditing to audit object privileges by setting the AUDIT_TRAIL parameter to EXTENDED
Correct Answer: A 🗳️
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